Vulnerability Database

324,614

Total vulnerabilities in the database

CVE-2018-4140

An issue was discovered in certain Apple products. iOS before 11.3 is affected. The issue involves the "Telephony" component. It allows remote attackers to cause a denial of service (NULL pointer dereference and reboot) via a Class 0 SMS message.

  • Published: Apr 3, 2018
  • Updated: Nov 9, 2025
  • CVE: CVE-2018-4140
  • Severity: High
  • Exploit:

CVSS v2:

  • Severity: High
  • Score: 7.8
  • AV:N/AC:L/Au:N/C:N/I:N/A:C

CWEs: